Source Code of MainAcivity.java

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        String[] subjectName = {"C","C++","Java","Python","Android","Kotlin","Dart"};

            ArrayAdapter adapter = new ArrayAdapter<String>(MainActivity.this,
                    R.layout.list_view, subjectName);

            ListView listView = (ListView) findViewById(R.id.lv);
            listView.setAdapter(adapter);
            listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {

                String value = "You have selected " + adapter.getItem(position) +" Language";

                Toast.makeText(getApplicationContext(), value, Toast.LENGTH_SHORT).show();
            }
        });

    }
}

Source Code of activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <ListView
        android:id="@+id/lv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:layout_editor_absoluteX="1dp"
        tools:layout_editor_absoluteY="1dp" />
</androidx.constraintlayout.widget.ConstraintLayout>

Source Code of list_view.xml

<?xml version="1.0" encoding="utf-8"?>

    <TextView xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/tv"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:padding="12dp"
        android:textSize="18dp"
        android:textStyle="bold" >
    </TextView>

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